Hernandez conducted a study that explored whether giving children recess prior to testing helped their test performance. For one of the semesters, he sends half of his classes out for 10 minutes of recess prior to testing for the other half, he provides 10 minutes of free time after the test. Given the study was conducted in a school, students in the recess condition classes told students in the
other classes that they were allowed to go to recess before the tests. This is an example of which of the following?
a. History effect
b. Instrumentation bias
c. Treatment diffusion
d. Placebo effect
c
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Specific devices that promote greater independence for people with disabilities are part of a group of hardware and software called __________________ technology
Fill in the blank(s) with the appropriate word(s).
Ralph Tyler's fundamental questions about public school curriculum in the US DO NOT include
a. What educational purposes should schools seek to attain? b. What national standards should be set? c. What educational experiences are likely to attain these purposes? d. How can these experiences be organized?
From a historical perspective, attitudes toward individuals with disabilities have generally progressed from
a. ?pity to widespread acceptance. b. ?acceptance to pity. c. ?denial to Title IX. d. ?acceptance to denial.
Pairs of novice weight lifters from Clem's Gym have been matched for height, weight, and experience. One of each pair is assigned to one group and the other to a second group. Both groups work out for an hour and a half every second day, using the same routine. However, Group #2 receives special instructions on effective bench pressing strategies. Two months later, both groups are tested for improvement in the number of kilograms they are able to bench press. What test should be used to test for the difference in improvement between the two groups?
a. t-test for the difference between two independent means b. t-test for the difference between two dependent means c. z-test for the difference between two independent means d. t-test for a single mean e. z-test for proportion